Evapotranspiration - Revision history

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Jmdonev at 03:40, 31 December 2016

2016-12-31T03:40:17Z

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	[[File:watercycle.png\|~~200px~~\|thumb\|Figure 1. The water cycle relies on evapotranspiration.<ref>Wikimedia Commons [Online], Available: http://en.wikipedia.org/wiki/Evapotranspiration#/media/File:Surface_water_cycle.svg</ref>]]		[[File:watercycle.png\|250px\|thumb\|Figure 1. The water cycle relies on evapotranspiration.<ref>Wikimedia Commons [Online], Available: http://en.wikipedia.org/wiki/Evapotranspiration#/media/File:Surface_water_cycle.svg</ref>]]

	<onlyinclude>'''Evapotranspiration''' is the transfer of [[energy]] from the [[Earth]]'s surface to the [[atmosphere]] in the form of [[latent heat]], due to the ''[[evaporation]]'' of [[water]] from the ground and bodies of water, and the ''transpiration'' of water from plants.</onlyinclude> The transpiration aspect of evapotranspiration accounts for about 10% of the moisture in the atmosphere, with evaporation from oceans and other bodies of water accounting for nearly 90% and a tiny amount coming from sublimation (ice changing into water vapour without first becoming [[liquid]]).<ref name=ref1>USGS, ''Evapotranspiration - The Water Cycle'' [Online], Available: http://water.usgs.gov/edu/watercycleevapotranspiration.html</ref>		<onlyinclude>'''Evapotranspiration''' is the transfer of [[energy]] from the [[Earth]]'s surface to the [[atmosphere]] in the form of [[latent heat]], due to the ''[[evaporation]]'' of [[water]] from the ground and bodies of water, and the ''transpiration'' of water from plants.</onlyinclude> The transpiration aspect of evapotranspiration accounts for about 10% of the moisture in the atmosphere, with evaporation from oceans and other bodies of water accounting for nearly 90% and a tiny amount coming from sublimation (ice changing into water vapour without first becoming [[liquid]]).<ref name=ref1>USGS, ''Evapotranspiration - The Water Cycle'' [Online], Available: http://water.usgs.gov/edu/watercycleevapotranspiration.html</ref>

J.williams: 1 revision imported

2015-09-18T16:51:03Z

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Kjstenho at 20:06, 3 September 2015

2015-09-03T20:06:45Z

← Older revision		Revision as of 20:06, 3 September 2015
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	[[Category:Done 2015-06~~-11~~]]		[[Category: Done 2015-09-06]]
	[[File:watercycle.png\|200px\|thumb\|Figure 1. The water cycle relies on evapotranspiration.<ref>Wikimedia Commons [Online], Available: http://en.wikipedia.org/wiki/Evapotranspiration#/media/File:Surface_water_cycle.svg</ref>]]		[[File:watercycle.png\|200px\|thumb\|Figure 1. The water cycle relies on evapotranspiration.<ref>Wikimedia Commons [Online], Available: http://en.wikipedia.org/wiki/Evapotranspiration#/media/File:Surface_water_cycle.svg</ref>]]

	<onlyinclude>'''Evapotranspiration''' is the transfer of [[energy]] from the Earth's surface to the [[atmosphere]] in the form of [[latent heat]], due to the ''[[evaporation]]'' of [[water]] from the ground and bodies of water, and the ''transpiration'' of water from plants.</onlyinclude> The transpiration aspect of evapotranspiration accounts for about 10% of the moisture in the atmosphere, with evaporation from oceans and other bodies of water accounting for nearly 90% and a tiny amount coming from sublimation (ice changing into water vapour without first becoming liquid).<ref name=ref1>USGS, ''Evapotranspiration - The Water Cycle'' [Online], Available: http://water.usgs.gov/edu/watercycleevapotranspiration.html</ref>		<onlyinclude>'''Evapotranspiration''' is the transfer of [[energy]] from the [[Earth]]'s surface to the [[atmosphere]] in the form of [[latent heat]], due to the ''[[evaporation]]'' of [[water]] from the ground and bodies of water, and the ''transpiration'' of water from plants.</onlyinclude> The transpiration aspect of evapotranspiration accounts for about 10% of the moisture in the atmosphere, with evaporation from oceans and other bodies of water accounting for nearly 90% and a tiny amount coming from sublimation (ice changing into water vapour without first becoming [[liquid]]).<ref name=ref1>USGS, ''Evapotranspiration - The Water Cycle'' [Online], Available: http://water.usgs.gov/edu/watercycleevapotranspiration.html</ref>

	Transpiration is essentially evaporation of the water from plant leaves.<ref name=ref1/> Plants must transpire just like humans have to breathe, and this process depends on many [[environment]]al factors.		Transpiration is essentially evaporation of the water from plant leaves.<ref name=ref1/> Plants must transpire just like humans have to breathe, and this process depends on many [[environment]]al factors.
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	Evapotranspiration is an important part in the Earth's [[hydrologic cycle]]. About 30% of the total ocean [[volume]] evaporates each year. [[Wind]] carries this [[water vapour]] to higher elevations where it cools and condenses, and finally [[precipitation\|precipitates]]. About 76% of it goes right back to the ocean, and the rest hits land and drives the life cycles there.<ref>S. Marshak, "The Hydrologic Cycle" in ''Earth Portrait of a Planet'', 3rd ed., New York: W.W. Norton & Company, Inc., 2008, ch.F5, pp. 551</ref>		Evapotranspiration is an important part in the Earth's [[hydrologic cycle]]. About 30% of the total ocean [[volume]] evaporates each year. [[Wind]] carries this [[water vapour]] to higher elevations where it cools and condenses, and finally [[precipitation\|precipitates]]. About 76% of it goes right back to the ocean, and the rest hits land and drives the life cycles there.<ref>S. Marshak, "The Hydrologic Cycle" in ''Earth Portrait of a Planet'', 3rd ed., New York: W.W. Norton & Company, Inc., 2008, ch.F5, pp. 551</ref>

	Evapotranspiration is a key factor in [[Earth's heat balance]]. The [[radiant heat]] coming from the Sun must be rid of by the Earth in order for its [[temperature]] to remain constant, and this is partly done by evapotranspiration. This happens because it requires energy to [[phase change\|change a substance]] from liquid to [[gas]], so as the water on the Earth evaporates and transpires it uses some of this solar energy.<ref name="wolfson">R. Wolfson, (May 8, 2015). ''Energy, Environment and Climate'', 2nd ed. New York, U.S.A.: Norton, 2012.</ref> The contribution of evapotranspiration to [[Earth's energy budget]] is displayed in Figure 2 below.		Evapotranspiration is a key factor in [[Earth's heat balance]]. The [[radiant heat]] coming from the [[Sun]] must be rid of by the Earth in order for its [[temperature]] to remain constant, and this is partly done by evapotranspiration. This happens because it requires energy to [[phase change\|change a substance]] from liquid to [[gas]], so as the water on the Earth evaporates and transpires it uses some of this [[solar energy]].<ref name="wolfson">R. Wolfson, (May 8, 2015). ''Energy, Environment and Climate'', 2nd ed. New York, U.S.A.: Norton, 2012.</ref> The contribution of evapotranspiration to [[Earth's energy budget]] is displayed in Figure 2 below.

	[[File:EnergyBudget3.png\|350px\|framed\|center\|Figure 2. Detailed diagram showing incoming and outgoing energy in a balanced example of Earth's energy budget, with incoming and outgoing values of 341 W/m<sup>2</sup>. Evapotranspiration accounts for 80 W/m<sup>2</sup> of the outgoing energy.<ref>''Created internally by a member of the Energy Education team.'' Adapted from: R. Wolfson, Figure 12.5 in ''Energy, Environment and Climate'', 2nd ed. New York, U.S.A.: Norton, 2012, pp. 331</ref>]]		[[File:EnergyBudget3.png\|350px\|framed\|center\|Figure 2. Detailed diagram showing incoming and outgoing energy in a balanced example of Earth's energy budget, with incoming and outgoing values of 341 W/m<sup>2</sup>. Evapotranspiration accounts for 80 W/m<sup>2</sup> of the outgoing energy.<ref>''Created internally by a member of the Energy Education team.'' Adapted from: R. Wolfson, Figure 12.5 in ''Energy, Environment and Climate'', 2nd ed. New York, U.S.A.: Norton, 2012, pp. 331</ref>]]

J.williams: 1 revision imported

2015-08-26T21:31:05Z

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J.williams at 16:53, 12 August 2015

2015-08-12T16:53:19Z

New page

[[category:371 topics]]
[[Category:Done 2015-06-11]]
[[File:watercycle.png|200px|thumb|Figure 1. The water cycle relies on evapotranspiration.<ref>Wikimedia Commons [Online], Available: http://en.wikipedia.org/wiki/Evapotranspiration#/media/File:Surface_water_cycle.svg</ref>]]

<onlyinclude>'''Evapotranspiration''' is the transfer of [[energy]] from the Earth's surface to the [[atmosphere]] in the form of [[latent heat]], due to the ''[[evaporation]]'' of [[water]] from the ground and bodies of water, and the ''transpiration'' of water from plants.</onlyinclude> The transpiration aspect of evapotranspiration accounts for about 10% of the moisture in the atmosphere, with evaporation from oceans and other bodies of water accounting for nearly 90% and a tiny amount coming from sublimation (ice changing into water vapour without first becoming liquid).<ref name=ref1>USGS, ''Evapotranspiration - The Water Cycle'' [Online], Available: http://water.usgs.gov/edu/watercycleevapotranspiration.html</ref>

Transpiration is essentially evaporation of the water from plant leaves.<ref name=ref1/> Plants must transpire just like humans have to breathe, and this process depends on many [[environment]]al factors.

Evapotranspiration is an important part in the Earth's [[hydrologic cycle]]. About 30% of the total ocean [[volume]] evaporates each year. [[Wind]] carries this [[water vapour]] to higher elevations where it cools and condenses, and finally [[precipitation|precipitates]]. About 76% of it goes right back to the ocean, and the rest hits land and drives the life cycles there.<ref>S. Marshak, "The Hydrologic Cycle" in ''Earth Portrait of a Planet'', 3rd ed., New York: W.W. Norton & Company, Inc., 2008, ch.F5, pp. 551</ref>

Evapotranspiration is a key factor in [[Earth's heat balance]]. The [[radiant heat]] coming from the Sun must be rid of by the Earth in order for its [[temperature]] to remain constant, and this is partly done by evapotranspiration. This happens because it requires energy to [[phase change|change a substance]] from liquid to [[gas]], so as the water on the Earth evaporates and transpires it uses some of this solar energy.<ref name="wolfson">R. Wolfson, (May 8, 2015). ''Energy, Environment and Climate'', 2nd ed. New York, U.S.A.: Norton, 2012.</ref> The contribution of evapotranspiration to [[Earth's energy budget]] is displayed in Figure 2 below.

[[File:EnergyBudget3.png|350px|framed|center|Figure 2. Detailed diagram showing incoming and outgoing energy in a balanced example of Earth's energy budget, with incoming and outgoing values of 341 W/m<sup>2</sup>. Evapotranspiration accounts for 80 W/m<sup>2</sup> of the outgoing energy.<ref>''Created internally by a member of the Energy Education team.'' Adapted from: R. Wolfson, Figure 12.5 in ''Energy, Environment and Climate'', 2nd ed. New York, U.S.A.: Norton, 2012, pp. 331</ref>]]

==References==
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